CN105849430B - Splittable retainer, one-way clutch and the connector for power generator - Google Patents
Splittable retainer, one-way clutch and the connector for power generator Download PDFInfo
- Publication number
- CN105849430B CN105849430B CN201480070561.7A CN201480070561A CN105849430B CN 105849430 B CN105849430 B CN 105849430B CN 201480070561 A CN201480070561 A CN 201480070561A CN 105849430 B CN105849430 B CN 105849430B
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- Prior art keywords
- wedge
- circumferential direction
- ring
- column
- inner ring
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D41/00—Freewheels or freewheel clutches
- F16D41/06—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface
- F16D41/064—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls
- F16D41/066—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls all members having the same size and only one of the two surfaces being cylindrical
- F16D41/067—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls all members having the same size and only one of the two surfaces being cylindrical and the members being distributed by a separate cage encircling the axis of rotation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D41/00—Freewheels or freewheel clutches
- F16D41/06—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface
- F16D2041/0605—Spring details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D41/00—Freewheels or freewheel clutches
- F16D41/06—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface
- F16D2041/0608—Races with a regular polygon shape
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wind Motors (AREA)
- Rolling Contact Bearings (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
Splittable retainer includes: a pair of of ring part, the multiple recess portions formed at interval in circumferential direction on the side that is included；With column portion, including on two end sides in the axial direction and being assembled in the column end in recess portion, towards the other side in circumferential direction reaction force acts in column portion.Recess portion includes wedge-shaped surface, and wedge-shaped surface is formed in the wedge shape space between wedge-shaped surface and the peripheral surface of inner ring, and wedge shape space narrows in radial directions towards the other side in circumferential direction.Column end has wedge shape, and wherein radial dimension reduces towards the other side in circumferential direction, and column end includes radial outside surface and radially inner side surface, and radial outside surface contacts wedge-shaped surface, and radially inner side surface contacts the peripheral surface of inner ring.
Description
Technical field
Aspect of the invention is related to: the Splittable retainer for one-way clutch；The one-way clutch；With for having
The connector of the power generator of the one-way clutch.
Background technique
As wind power generation plant, it is known that such a device, wherein blade receives wind-force, is connected to the main shaft rotation of blade
Turn, and increases the rotation speed of main shaft using speed increaser with driven generator.Such wind power generation plant have with
Lower problem, that is, wind speed and direction changes the rotation number for being transmitted to generator from blade by main shaft, speed increaser etc.,
Thus reduce generating efficiency.
Correspondingly, in order to improve generating efficiency, the applicant has proposed a kind of wind power generation plant, wherein in speed increaser
One-way clutch (see patent document 1) is set between generator.In the wind power generation plant, even if wind speed etc. changes to subtract
The rotation speed of primary spindle, by disconnecting the output shaft of speed increaser and the input shaft of generator, generator using one-way clutch
Input shaft still be able to continue with inertial rotation without rapidly reducing speed, so as to increase the average rotation of input shaft
Rotary speed is to improve generating efficiency.
As shown in FIG. 8, above-mentioned one-way clutch is equipped with inner ring 101, outer ring 102, multiple rollers (joint element)
103, the annular retainer 104 of these rollers 103 is kept at a predetermined interval in circumferential direction and towards in circumferential direction
The spring 105 of side flexibly press-on roller 103.In retainer 104, above pair in the axial direction a pair is integrally formed
Multiple column portions 107 of ring part 106 and connection ring part 106, and ring part 106 and column portion adjacent in circumferential direction
The recess 108 for accommodating a roller 103 and a spring 105 is formed between 107.Moreover, column portion 107 is equipped in circumferential direction
It protrudes to the protrusion 109 of the support spring 105 in recess 108.
However, because recess 108 is formed by the space that ring part 106 and column portion 107 surround and column portion 107 is with having
The complicated shape of protrusion 109, thus wherein by engraving manufacture retainer 104 such a process increases costs, this is
Undesirable.Moreover, although it is contemplated that wherein injection-molded synthetic resin material is to be integrally formed the guarantor with above structure
The method of holder 104, but because the retainer 104 for power generator has big size, be difficult to pass through injection mold
System forms this large scale retainer 104.
Correspondingly, the applicant is it is further proposed that a kind of segmentation type is used for institute as above so as to be easily manufactured
State the retainer of one-way clutch (see patent document 2).That is, as shown in FIG. 9, which has in axial direction
Side upwardly facing a pair of of ring part 91 and be independently of these ring parts 91 component multiple column portions 92, and the Splittable
Retainer 90 is assembled by the way that the axial end portion in column portion 92 is assembled to ring part 91.
Relevant technical literature
Patent document
Patent document 1:JP-A-2013-060825
Patent document 2:JP-A-2013-231448
Summary of the invention
Problem to be solved by this invention
The Splittable retainer 90 according to shown in Fig. 9, since ring part 91 and column portion 92 are independent components, so this
A little components can be fabricated separately, so as to which retainer 90 is easily manufactured.Although being used to support moreover, column portion 92 has
The protrusion 96 of the spring that do not illustrate, but can be for example by executing injection-molded be easily manufactured including protrusion
96 column portion 92.
Although retainer 90 is made to become the manufacture that Splittable is convenient for it, the end (styletable in column portion 92 as described above
Portion 93) shape and the shape of the recess portion 94 of ring part 91 that is mounted to of column end 93 be complicated (see Figure 10).Figure 10 is
The column end 93 and the explanatory diagram around it of Splittable retainer 90 from axial direction.
The shape of column end 93 is complicated, which is because, by spring 105 as described above towards in circumferential direction
Side press-on roller 103, acted in column portion 92 towards the reaction force F of the other side in circumferential direction, and require
For making ring part 91 pass through the structure (structure for passing it to ring part 91) of the support of column end 93 this reaction force F.
That is, the reason is that, in order to enable 91 reacting force of supporting F of ring part, it is necessary in circumferential direction another of column end 93
Load receiving surface 95 substantially orthogonal with circumferential direction is formed on side and makes load receiving surface 95 and recess portion 94
Side surface 94a formed contact.In addition, making the area of load receiving surface 95 be big, to reduce load receiving surface
The contact pressure of 95 and side surface 94a.
As described above, in order to which there is the other side setting in circumferential direction in column end 93 load of big area to connect
Receive surface 95, it is necessary to increase the radial dimension of column end 93, and as a result, the chamfered shape (cross sectional shape) of column end 93 is
Complicated shape as shown in Figure 10 with many protrusions and recess.Moreover, in order to enable load receiving surface 95 and side table
Face 94a is accurately in contact with each other, it is necessary that these surfaces (95,94a) are of similar shape, and therefore, when manufacture this
The control under high dimensional accuracy is required when a little parts.Therefore, the recessed of the column end 93 is being assembled for column end 93 and wherein
Portion 94, there is only many protrusions and recess, and shape is complicated, but also requires fine size pipe during fabrication
Control.
Correspondingly, one of aspect of the invention be designed to provide it is a kind of with simplify structure Splittable retainer,
A kind of one-way clutch and a kind of connector for the power generator with the one-way clutch with the Splittable retainer.
The means solved the problems, such as
(1) one aspect of the present invention provides a kind of Splittable retainer, in the Splittable retainer, circumferentially
Direction forms multiple recesses, each recess is contained in the joint element between the inner ring and outer rings of one-way clutch, and
The spring being arranged in each recess pushes the joint element towards the side in the circumferential direction, thus to cause court
It has an effect to the reaction force of the other side in the circumferential direction, the Splittable retainer includes: a pair of of ring part,
The pair of ring part is arranged between the inner ring and the outer ring, to face in the axial direction, and described one
It is included the multiple recess portions formed at interval in the circumferential direction on side to ring part；With column portion, the column portion
It is independently of the component of the pair of ring part, the column portion includes on two end sides on the axial direction and being assembled in
Column end in the recess portion, and the reaction force acts are in the column portion, wherein the recess portion includes wedge-shaped surface,
The wedge-shaped surface is formed in the wedge shape space between the wedge-shaped surface and the peripheral surface of the inner ring, the wedge shape space
Narrow in radial directions towards the other side in the circumferential direction, and wherein the column end has wedge shape
Shape, in the wedge shape, radial dimension reduces towards the other side in the circumferential direction, and the column end
Including radial outside surface and radially inner side surface, the radial outside surface contacts the wedge-shaped surface, the radially inner side
Surface contacts the peripheral surface of the inner ring.
According to this aspect, the column end quilt with the wedge shape that radial dimension reduces towards the other side in circumferential direction
It is assemblied between the peripheral surface of the wedge-shaped surface and inner ring that are formed in the recess portion of ring part and another towards in circumferential direction
In the wedge shape space that side narrows in radial directions.The wedge-shaped surface of the radial outside surface contact recess portion of column end, and
The peripheral surface of the radially inner side surface contact inner ring of column end.Therefore, it is pushed away by spring towards side in circumferential direction
Joint element is pressed, reaction force (towards the reaction force of the other side in circumferential direction) acts in column portion；However, because
It is assembled in wedge shape space for wedge-shaped column end and reaction force is by from the radial outside surface of column end and radially inner side
Surface is transmitted to ring part and inner ring, so such as the other side being arranged in the circumferential direction of column end in the background technology
Upper and load receiving surface substantially orthogonal with circumferential direction is unnecessary.Therefore, the shape of column end is simplified, and
The shape for assembling the recess portion of the ring part of column end is also simplified, and which results in the Splittable guarantors that the structure of certain parts is simplified
Holder.
(2) also, it is preferable that: the radial outside surface is flat surface, and the wedge-shaped surface is also flat surface,
Thus the radial outside surface of column end and the shape of the wedge-shaped surface contacted with radial outside surface are simplified.
(3) also, it is preferable that radially inner side surface is flat surface, the thus shape quilt on the radially inner side surface of column end
Simplify.
(4) also, it is preferable that the circumferential size of the recess portion is greater than the circumferential size of the column end.
In this case, gap in circumferential direction is formed between recess portion and column end, consequently facilitating being used for column
End is assembled to the work (work in assembling column portion and ring part) in the recess portion of ring part.
(5) moreover, another aspect of the present invention provides a kind of one-way clutch, comprising: inner ring；It is concentric with the inner ring
Outer ring；The multiple joint elements being arranged between the inner ring and the outer ring；Retainer, in the retainer, edge
Circumferential direction form multiple recesses, the multiple recess accommodates the joint element respectively；And spring, the spring are set
In the recess, and the spring pushes the joint element towards the side in the circumferential direction, wherein described
Retainer includes: a pair of of ring part, and the pair of ring part is arranged between the inner ring and the outer ring, thus in axial direction
Side upwardly facing, and the pair of ring part be included on side formed at interval in the circumferential direction it is multiple
Recess portion；With column portion, the column portion is independently of the component of the pair of ring part, and the column portion includes on the axial direction
Two end sides on and the column end that is assembled in the recess portion, and by the spring, towards in the circumferential direction
The other side reaction force acts in the column portion, wherein the recess portion includes wedge-shaped surface, the wedge-shaped surface is formed
Wedge shape space between the wedge-shaped surface and the peripheral surface of the inner ring, the wedge shape space is towards in the circumferential direction side
The upward other side narrows in radial directions, and wherein the column end has wedge shape, in the wedge shape,
Radial dimension towards in the circumferential direction the other side reduce, and the column end include radial outside surface and
Radially inner side surface, the radial outside surface contact the wedge-shaped surface, and the radially inner side surface contacts the inner ring
The peripheral surface.
According to this aspect, because of the Splittable retainer for the basis above (1) that the structure for being provided with certain parts is simplified,
So the cost of one-way clutch can be reduced.
(6) moreover, an additional aspect of the present invention provides a kind of connector for power generator, the power generator packet
It includes: the main shaft rotated by external impetus；Speed increaser, the speed increaser include rotary transfer machine and output shaft, the rotation
Transmission mechanism increases the rotation speed of the main shaft, and the output shaft exports the rotation increased speed by the rotary transfer machine
Turn；And generator, the generator include input shaft, the input shaft is rotated by receiving the rotation of the output shaft, and
And the rotation of the rotor by integrally rotating with the input shaft, the generator generate electric power, wherein being used for the power generation
The connector of device includes: the first rotary part, the output shaft one of first rotary part and the speed increaser
Ground rotation；The input shaft of second rotary part, second rotary part and the generator integrally rotates；With set
Set the one-way clutch described in (5) according to more than between first rotary part and second rotary part.
According to this aspect because be provided with the one-way clutch of above (5), can also reduce for the connector at
This.
Advantages of the present invention
Splittable retainer according to an aspect of the present invention, the structure of certain parts are simplified, this is convenient for manufacture.Root
One-way clutch according to other aspects of the invention and the connector for power generator, because being provided with the structure quilt of certain parts
Simplified Splittable retainer, so cost can be reduced.
Brief Description Of Drawings
Fig. 1 is the outline structure view for showing power generator.
Fig. 2 is the connector for showing power generator and the longitudinal sectional view around it.
Fig. 3 is the transverse sectional view of one-way clutch.
Fig. 4 is the perspective view for showing the retainer of one-way clutch.
Fig. 5 is to maintain the perspective view of the ring part of device.
Fig. 6 is to maintain the perspective view in the column portion of device.
Fig. 7 is column end and the explanatory diagram around it from axial direction.
Fig. 8 is the transverse sectional view of the one-way clutch of background technique.
Fig. 9 is the perspective view of the Splittable retainer of background technique.
Figure 10 is the column end of the Splittable retainer of the background technique from axial direction and explanatory around it
View.
Specific embodiment
Fig. 1 is the outline structure view for showing power generator.The power generator is wind power generation plant 1, and is equipped with logical
Cross reception wind-force (external impetus) and rotate main shaft 2, be coupled to the speed increaser 3 of main shaft 2 and be coupled to the hair of speed increaser 3
Motor 4, and speed increaser 3 increases the speed of the rotation of main shaft 2, and is driven and sent out using the rotation of increased axis of its speed
Motor 4, thus executes power generation.
Generator 4 is formed by such as influence generator, and is had by receiving the rotation increased speed using speed increaser 3
And the input shaft 41 rotated, the rotor 42 combined in generator 4, the stator that do not illustrate etc..Rotor 42 couples as follows
To input shaft 41, rotor 42 is integrally rotated with input shaft 41, and rotates in input shaft 41 to drive rotor 42
When, generator 4 generates electric power.
Speed increaser 3 is equipped with gear mechanism (rotary transfer machine) 30, which receives the rotation of main shaft 2 and increasing
It puts english rotary speed.Gear mechanism 30 is equipped with planetary gear mechanism 31 and high regime gear mechanism 32, the high regime gear mechanism 32
It receives the rotation increased speed using planetary gear mechanism 31 and further increases rotation speed.
Planetary gear mechanism 31 includes internal gear (ring gear) 31a；Multiple planetary gear 31b, the multiple planet tooth
Wheel 31b kept by planet carrier (not shown), the planet carrier enable it to main shaft 2 integrally rotate as under type couples
To main shaft 2；With the sun gear 31c engaged with planetary gear 31b.As a result, when planet carrier rotates together with main shaft 2, too
Positive gear 31c is rotated by planetary gear 31b, and the rotation is passed to the slow-speed shaft 33 of high regime gear mechanism 32.
High regime gear mechanism 32 is equipped with: the slow-speed shaft 33 with low-speed gear 33a；With the first intermediate gear 34a and
The jackshaft 34 of second intermediate gear 34b；With the output shaft 35 with high gear 35a.
Slow-speed shaft 33 is formed by the large scale rotary shaft that its diameter is, for example, substantially 1m, and is concentrically set with main shaft 2
It sets.The two in the axial direction end of slow-speed shaft 33 is rotatably supported by rolling bearing 36a and 36b.
Jackshaft 34 is configured to parallel with slow-speed shaft 33, and the two in the axial direction end of jackshaft 34 by
Rolling bearing 37a and 37b are rotatably supported.First intermediate gear 34a of jackshaft 34 is engaged with low-speed gear 33a,
And the second intermediate gear 34b is engaged with high gear 35a.
Output shaft 35 is configured to parallel with jackshaft 34, and exports operation torque.Output shaft 35 is in the axial direction
On an end 35b and another end (output end) 35c side respectively by roller bearing 38 and 39 with rotatable side
Formula support.
Using the above structure, the rotation of main shaft 2 using the gear ratio of planetary gear mechanism 31, in low-speed gear 33a and the
Gear ratio between one intermediate gear 34a and the gear ratio between the second intermediate gear 34b and high gear 35a are at three
It increases speed in step, and is exported from output shaft 35.That is, main shaft 2 is walked by speed increaser 3 at three using the rotation of wind-force
It increases speed in rapid and is exported from output shaft 35, and generator 4 is by the operation torque drive of output shaft 35.
Moreover, wind power generation plant 1 is equipped with for coupling the output shaft 35 of speed increaser 3 and the input shaft 41 of generator 4
Connector 9.Fig. 2 is to show connector 9 and the longitudinal sectional view around it.Connector 9 is arranged on output shaft 35 and input shaft 41
Between region in can be realized the torque between output shaft 35 and input shaft 41 transmitting.Connector 9 has the first rotating part
Part 5, the second rotary part 6, one-way clutch 7 and rolling bearing 8.One-way clutch 7 and rolling bearing 8 are arranged on the first rotation
Between rotation member 5 and the second rotary part 6.
First rotary part 5 is the shaft member being concentrically disposed with output shaft 35, and the first rotary part 5 is revolved from first
(scheme towards another end in the axial direction in the axial direction a end (left part in Fig. 2) for rotation member 5
Right part in 2) successively there is flange portion 51, major diameter part 52 and small diameter portion 53.Flange portion 51 is with such as lower section
Formula is fixed to the end flange 35d of output shaft 35, and flange portion 51 is removably attached, and the first rotation
Rotation member 5 is integrally rotated with output shaft 35.
Second rotary part 6 is arranged concentrically on the outside in radial directions of the first rotary part 5, and the
The flange portion that two rotary parts 6 have cylindrical portion 61 and are arranged on another end in the axial direction of cylindrical portion 61
62.Although the second rotary part 6 is arranged on the outside in radial directions of the first rotary part 5 in the present embodiment,
But it is that the first rotary part 5 can be tubulose and be arranged on the inside in radial directions of the first rotary part 5.
Flange portion 62 is fixed to the end flange 41a of input shaft 41 as follows, enables flange portion 62 by with detachable
Mode is attached, and the second rotary part 6 is integrally rotated with input shaft 41.
The inner peripheral surface of cylindrical portion 61 is cylinderical surface, and ring sealing part 10 be arranged on cylindrical portion 61
An end on axial direction and between the major diameter part 52 of the first rotary part 5.
Rolling bearing 8 is arranged on the small diameter portion 53 of the first rotary part 5 and the cylindrical portion 61 of the second rotary part 6
Between, and the first rotary part 5 and the second rotary part 6 are supported as follows, it allows them to revolve relative to each other
Turn.Each is formed rolling bearing 8 by cylindrical roller bearing, and is equipped with inner ring 81, outer ring 82 and rotatably
Multiple cylindrical rollers 83 between inner ring 81 and outer ring 82 are set.In two axis of the cylindrical portion 61 of the second rotary part 6
Region A and region C on end have the function of the outer ring 82 as rolling bearing 8, and the outer-race ball track table of outer ring 82
Face 82a is formed on the inner surface of region A and C.Cylindrical roller 83 by with can roll mode be arranged in outer ring raceway face 82a
Between the inner race surface 81a formed on the periphery of inner ring 81.
Fig. 3 is the transverse sectional view of one-way clutch 7.In figure 2 and figure 3, one-way clutch 7 is equipped with: inner ring 71；With
The concentric outer ring 72 of inner ring 71；Multiple rollings between the peripheral surface 71a of inner ring 71 and the inner peripheral surface 72a of outer ring 72 are set
Sub (joint element) 73；The retainer 74 for accommodating multiple recesses 78 of roller 73 is formed along the circumferential direction；With setting in recess
In 78 and towards the spring 75 of the flexibly press-on roller 73 of the side on circumferential direction (in Fig. 3, clockwise).
Inner ring 71 from external mounting and is fixed to the small diameter portion 53 of the first rotary part 5 in the axial direction
On central portion (see Fig. 2), and integrally rotated with the first rotary part 5.The cylindrical portion 61 of second rotary part 6 in axis
The region B of central portion on direction has the function of the outer ring 72 as one-way clutch 7.Roller 73 is cylindrical, and
And it is provided with eight in circumferential direction in the present embodiment.Spring 75 is formed by compression helical spring, and is respectively held
It is contained in the recess 78 of retainer 74.
Although in the present embodiment the second rotary part 6 be used as one-way clutch 7 outer ring 72 and rolling bearing 8 it is outer
Ring 82, but these outer rings 72 and 82 can be set independently of 6 ground of the second rotary part.
In Fig. 3, with roller 73 there is flat (plane) the cam face 71a1 of same number (eight) to be formed in inner ring 71
Peripheral surface 71a on, and the inner peripheral surface 72a of outer ring 72 is cylinderical surface.As a result, in cam face 71a1 and inner circumferential
Multiple (eight) wedge shape space S are formed between the 72a of surface along the circumferential direction.Wedge is respectively arranged in roller 73 and spring 75
In shape space S, and the press-on roller (towards side in circumferential direction) on the direction that wedge shape space S narrows of spring 75
73.The peripheral surface of roller 73 is the contact surface contacted with cam face 71a1 and inner peripheral surface 72a, and these contact tables
Face is formed as the crow flies on width direction (axial direction).
In the one-way clutch 7 constructed of this sortly, when the first rotary part 5 with the rotation of increased speed to the
When the rotation speed of one rotary part 5 is more than the rotation speed of the second rotary part 6, the operating of inner ring 71 is to relative to outer ring 72
It is relatively rotated on (clockwise direction in Fig. 3) in one direction.In this case, the extruding force of spring 75, roller are utilized
73 slightly moved on the direction that wedge shape space S narrows to roller 73 contact surface (peripheral surface) and inner ring 71 it is outer
The inner peripheral surface 72a of perimeter surface 71a (cam face 71a1) and outer ring 72 pressure contact, which results in rollers 73 in 71 He of inner ring
The state engaged between outer ring 72.This enables inner ring 71 and outer ring 72 integrally to rotate in one direction, thus first
Rotary part 5 is connected in a manner of it can rotate integrally with the second rotary part 6.As a result, output shaft 35 and input shaft 41 can
Integrally rotate.
Moreover, when with increased speed rotation after the first rotary part 5 rotation become constant speed rotation and
When the rotation speed of first rotary part 5 becomes identical as the rotation speed of the second rotary part 6, including roller 73 is held in
In the state of being engaged between ring 71 and outer ring 72.Therefore, one-way clutch 7 maintains inner ring 71 and outer ring 72 in one direction
It rotates integrally, so that the first rotary part 5 and the continuation of the second rotary part 6 (output shaft 35 and input shaft 41) integrally rotate.
On the other hand, when by rotating the first rotary part 5 with reduced speed, and make the rotation of the first rotary part 5
When rotary speed is lower than the rotation speed of the second rotary part 6, the operating of inner ring 71 relative to outer ring 72 in another direction to (scheme
Counter clockwise direction in 3) on relatively rotate.In this case, by overcoming the extruding force of spring 75 to make roller 73 in wedge shape
It is slightly moved on the direction that space S broadens, engaging between roller 73 and inner ring 71 and outer ring 72 is released from.Institute as above
It states, by releasing the engagement of roller 73, allows the relative rotation of inner ring 71 and outer ring 72 in the other directions, and the first rotation
Rotation member 5 and the second rotary part 6 are disconnected.As a result, it is (empty to enable output shaft 35 and input shaft 41 to rotate relative to each other
Turn).
Fig. 4 is the perspective view for showing the retainer 74 of one-way clutch 7.The retainer 74 is Splittable retainer, and
Multiple column portions 77 with a pair of of the ring part 76 faced in the axial direction and the component for being independently of ring part 76.Column portion 77
Two in the axial direction end (column end 64) be assemblied in the recess portion described afterwards being arranged on ring part 76
In 84, thus column portion 77 couples the pair of ring part 76.Recess 78 is formed in 76 He of ring part adjacent in circumferential direction
Between column portion 77, and roller 73 is respectively received in recess 78 (see Fig. 3).This enables retainer 74 in circumferential direction
On keep multiple rollers 73 at interval.
Fig. 5 is to maintain the perspective view of the ring part 76 of device 74.Ring part 76 is made of metal such as carbon steel or aluminium, and
The annular element of the axial width of outer diameter and 15mm e.g. with 300mm.In the inner ring 71 and outer ring 72 of one-way clutch 7
Between (see Fig. 3), a pair of of ring part 76 is set as follows, faces it in the axial direction.
In Fig. 5, on the inner circumferential side of each ring part 76, multiple recess portions 84 landform at interval in circumferential direction
At.Recess portion 84 each all have the first side surface 85 being located on two sides in circumferential direction and the second side surface 86 and set
Set the wedge-shaped surface 87 between these side surfaces 85 and 86 and in face of inside in radial directions.
Fig. 6 is to maintain the perspective view in the column portion 77 of device 74.Column portion 77 is made up of injection-molded synthetic resin material
's.Column portion 77 has main portion 77a, is configured to outstanding prominent from circumferential direction a end surfaces of main portion 77a
Part 77b and a pair of of the column end 64 being arranged on the two sides in the axial direction of main portion 77a out.As shown in FIG. 3,
Protrusion 77b is used for the support spring 75 in the predetermined position in recess 78, and helical spring 75 is externally fitted into
Protrusion 77b.
In Fig. 6, column end 64 is formed so that the thickness on radial direction (vertical direction in figure) is less than master
The thickness of part 77a, and stepped surfaces are formed between the peripheral surface of column end 64 and the peripheral surface of main portion 77a
77d.Column end 64 is assembled in the recess portion 84 (see Fig. 5) being arranged on ring part 76, thus assembles Splittable retainer 74
(see Fig. 4).
According to the one-way clutch 7 constructed of this sortly, because the ring part 76 of composition retainer 74 and column portion 77 are
Independent component, so ring part 76 and column portion 77 can be separately manufactured.Therefore, with ought integrally manufacture entire retainer
When compare, manufacture is easy.
Here, as described above, in each recess 78 (see Fig. 3), spring 75 between column portion 77 and roller 73, and
And spring 75 is towards side press-on roller 73 in circumferential direction.Therefore, the reaction masterpiece of the press-on roller 73 of spring 75
For column portion 77.This reaction force becomes the power towards the other side in circumferential direction.
The column end 64 and the explanatory diagram around it that Fig. 7 is the column portion 77 from axial direction.Arrow shown in Fig. 7
F illustrates above-mentioned reaction force.The reaction force F of spring 75 is acted on ring part 76 by column end 64.
As shown in FIG. 7, the recess portion 84 formed on ring part 76 has the wedge in face of inside in radial directions
Shape surface 87, and wedge-shaped surface 87 is utilized, in recess portion 84, formed using the peripheral surface 71a of inner ring 71 towards in circumferential direction
The wedge shape space 88 that the other side on direction narrows in radial directions.As described above, recess portion 84, which has, is located at wedge-shaped surface 87
Two sides in circumferential direction on the first side surface 85 and the second side surface 86, and because of these surfaces, recess portion 84 has
There is the recess shape towards inside opening in radial directions.
On the other hand, the column end 64 being assemblied in recess portion 84 has wedge shape corresponding with wedge shape space 88.That is, styletable
Portion 64 has wedge shape, and the radial dimension of the wedge shape is gradually reduced towards the other side in circumferential direction so as to empty with wedge shape
Between 88 corresponding (see Fig. 6 and Fig. 7).When from the direction parallel with the axial direction of retainer 74, the styletable of the present embodiment
Portion 64 with generally trapezoidal shape (corner portion have arc sections 65b), and column end 64 have contacted with wedge-shaped surface 87
Radial outside surface 65, contacted with the cam face 71a1 of the peripheral surface 71a of inner ring 71 radially inner side surface 66, in week
The second circumferential flank surface 68 in the first circumferential flank surface 67 on side on direction and the other side in circumferential direction.
Side surface 67 and 68 is radially extending surface and is essentially parallel from one to another, and the whole region on radial outside surface 65 is at it
Become the inclined surface closer to radially inner side surface 66 when the close other side in circumferential direction.
Using above structure, the column end 64 with wedge shape is assembled in wedge shape space 88, the radial direction of column end 64
Outer surface 65 is contacted with the wedge-shaped surface 87 of recess portion 84, and the periphery on the radially inner side surface 66 of column end 64 and inner ring 71
The cam face 71a1 of surface 71a is contacted.Therefore, as described above, reaction force (another party in circumferential direction of spring 75
Reaction force) F acts in column portion 77；However, by the wedge-shaped column end 64 being assemblied in wedge shape space 88, reaction force
F is transmitted to ring part 76 and inner ring 71 from the radial outside surface 65 of column end 64 and radially inner side surface 66.By with wedge
The radial outside surface 65 and radially inner side surface 66 on shape surface 87 and cam face 71a1 contact, column portion 77 are square with respect to the circumferential direction
To positioning.
Therefore, according to the Splittable retainer 74 of the present embodiment, as column end 93 is arranged in the background technology
Load receiving surface 95 (see Figure 10) on the other side in circumferential direction is unnecessary.Load receiving surface 95 is and week
Surface that substantially orthogonal to direction and with recess portion 94 side surface 94a is contacted and be the reaction force F for receiving spring 105
Surface.
As mentioned above load receiving surface 95 is unnecessary, so the shape of column end 64 is simplified, and
The shape for wherein assembling the recess portion 84 of the ring part 76 of column end 64 is also simplified, and which results in the structures of certain parts to be simplified
Splittable retainer 74.
In addition, in the present embodiment, the radial outside surface 65 of column end 64 is flat surface, but it can be relative to
Outside in radial directions is in convex and with the arcuate surface of big radius, and radial outside surface 65 connects with it
The wedge-shaped surface 87 of touching is also flat surface, but it can be relative to outside in radial directions in convex and with big
Radius arcuate surface.Moreover, the cam face 71a1 of inner ring 71 is flat surface, and contacted with cam face 71a1
The whole region on radially inner side surface 66 is flat surface.The first circumferential flank surface 67 and the second circumferential flank surface 68 of column end 64
It is also flat surface, and the first side surface 85 of recess portion 84 and the second side surface 86 are also flat surface.
Therefore, when from the direction parallel with the axial direction of retainer 74, the column end 64 of the present embodiment has
Generally trapezoidal shape；Particularly, compared with the background art compared with the radial outside surface 65 of column end 64 and the wedge-shaped table of recess portion 84
The shape in face 87, in addition, the shape on the radially inner side surface 66 of column end 64 is simplified, consequently facilitating column portion 77 and ring part 76
Manufacture.
In the present embodiment, because it is outside between diameter in the arc sections 65b of convex relative to outside in radial directions
Between side surface 65 and side surface 67 and 68, so when from the direction parallel with the axial direction of retainer 74, styletable
Portion 64 is with the generally trapezoidal shape in corner portion with arc sections 65b.
Moreover, in the present embodiment, the circumferential size K1 of recess portion 84 is greater than the circumferential size K2 (K1 > K2) of column end 64.
Therefore, gap Q1 and Q2 in circumferential direction is formed between recess portion 84 and column end 64.Particularly, recess portion 84 and column end
Even if 64 be sized to so that column end 64 by towards the reaction force F of the other side in circumferential direction squeeze with
It is moved in recess portion 84 (wedge shape space 88), the gap Q1 formed on the other side along circumferential direction is still retained.By
This, when reaction force F has an effect, the radial outside surface 65 of column end 64 reliably with 87 shape of wedge-shaped surface of recess portion 84
At surface contact (formed pressure contact), enable column end 64 radially inner side surface 66 reliably with inner ring 71
The cam face 71a1 of peripheral surface 71a forms surface contact (formed contact).
In addition, by forming gap Q1 and Q2 in circumferential direction between recess portion 84 and column end 64, in assembling ring
When shape portion 76 and column portion 77, the work in the recess portion 84 for column end 64 to be assembled to ring part 76 is facilitated.In addition, styletable
Portion 64 is only only necessary to have wedge shape as described above and execute fine size to manage to form column end 64 and recess portion
84 be unnecessary, to facilitate the manufacture in column portion 77 and ring part 76.
According to the above, because point that one-way clutch 7 shown in Fig. 2 is simplified equipped with the structure in column portion 77 and ring part 76
Type retainer 74 is cut, so cost can reduce, and because connector 9 shown in Fig. 2 has the list equipped with Splittable retainer 74
To clutch 7, so the cost for connector 9 can also be reduced.
It, can be with although describing the situation that a ring part 76 is formed by an annular element in the above-described embodiments
Overlapped multiple annular elements are in the axial direction to form a ring part 76 (although not shown).In this case, at one
Protrusion is formed on annular element, assembles the recessed of the protrusion will be formed on another overlapped on it annular element
Portion, and multiple annular elements are fixed to each other to form a ring part 76.
Although moreover, in above-described embodiment (see Fig. 6), describe the tool of column end 64 there are four surface (65,66,67,
It 68) is generally trapezoidal situation with the shape (transverse shapes, cross sectional shape) for forming profile and column end 64, but column end
64 are only necessary to radial outside surface 65 and radially inner side surface 66 to form wedge shape；For example, although it is not shown,
Circumferential flank surface (68) on the other side in circumferential direction can be omitted (or making its minimum compared with other surfaces),
To which the shape of column end 64 is general triangular.
Moreover, the present invention is not limited to the above embodiments and can suitably change when implemented.Although for example, above-mentioned
In one-way clutch 7 in embodiment, the ring part 76 of retainer 74 is made of metal, but ring part 76 can be by synthesizing tree
Rouge is made.In this case, ring part 76 can be easily manufactured by injection-molded synthetic resin material.
Moreover, although the connector 9 for power generator of above-described embodiment is illustrated as using wind-force as outside
The connector of the wind power generation plant 1 of power, but it can be applied to by using another external impetus such as waterpower or
Heating power and the power generator for generating electric power.In addition, the one-way clutch 7 of the embodiment of the present invention can be applied in addition to power generator
Except device.
The application based on its content herein by quote be incorporated into the Japan Patent submitted on December 25th, 2013
Apply (patent application Patent 2013-267275).
The explanation of appended drawing reference
1: wind power generation plant (power generator) 2: main shaft 3: speed increaser
4: 5: the first rotary part of generator, 6: the second rotary part
7: one-way clutch 9: connector 30: gear mechanism (rotary transfer machine)
35: output shaft 41: input shaft 42: rotor
64: column end 65: radial outside surface 66: radially inner side surface
71: inner ring 71a: peripheral surface 71a1: cam face
72: outer ring 73: roller (joint element) 74: retainer (Splittable retainer)
75: spring 76: ring part 77: column portion
78: recess 84: recess portion 87: wedge-shaped surface
88: wedge shape space F: reaction force K1: the circumferential size of recess portion
K2: the circumferential size of column end
Claims (7)
1. a kind of Splittable retainer forms multiple recesses in the Splittable retainer along the circumferential direction, each is recessed
Mouth accommodates the joint element being arranged between the inner ring and outer rings of one-way clutch, and the bullet being arranged in each recess
Spring pushes the joint element towards the side in the circumferential direction, thus to cause towards in the circumferential direction
The reaction force of the other side is had an effect,
The Splittable retainer includes:
A pair of of ring part, the pair of ring part are arranged between the inner ring and the outer ring, thus in the axial direction
It faces, and the pair of ring part is included the multiple recess portions formed at interval on side in the circumferential direction；
With
Column portion, the column portion are independently of the component of the pair of ring part, and the column portion includes on the axial direction
On two end sides and the column end that is assembled in the recess portion, and the reaction force acts are in the column portion,
Wherein the recess portion includes wedge-shaped surface, and the wedge-shaped surface, which is formed, is arranged on the wedge-shaped surface and the inner ring
Wedge shape space between peripheral surface, the wedge shape space is towards the other side in the circumferential direction in radial direction
On narrow, and
Wherein the column end has wedge shape, in the wedge shape, institute of the radial dimension direction in the circumferential direction
Other side reduction is stated, and the column end includes radial outside surface and radially inner side surface, the radial outside surface connects
The wedge-shaped surface is touched, the radially inner side surface contacts the peripheral surface of the inner ring.
2. Splittable retainer according to claim 1,
Wherein the radial outside surface is flat surface, and the wedge-shaped surface is also flat surface.
3. Splittable retainer according to claim 1 or 2,
Wherein the radially inner side surface is flat surface.
4. Splittable retainer according to claim 1 or 2,
Wherein the circumferential size of the recess portion is greater than the circumferential size of the column end.
5. Splittable retainer according to claim 3,
Wherein the circumferential size of the recess portion is greater than the circumferential size of the column end.
6. a kind of one-way clutch, comprising:
Inner ring；
The concentric outer ring with the inner ring；
The multiple joint elements being arranged between the inner ring and the outer ring；
Retainer forms multiple recesses in the retainer along the circumferential direction, the multiple recess accommodate respectively described in connect
Close element；With
Spring, the spring are arranged in the recess, and the spring is pushed away towards the side in the circumferential direction
The joint element is pressed,
Wherein the retainer includes:
A pair of of ring part, the pair of ring part are arranged between the inner ring and the outer ring, thus in the axial direction
It faces, and the pair of ring part is included the multiple recess portions formed at interval on side in the circumferential direction；
With
Column portion, the column portion are independently of the component of the pair of ring part, and the column portion includes on the axial direction
On two end sides and the column end that is assembled in the recess portion, and by the spring, towards in the circumferential direction
The reaction force acts of the other side in the column portion,
Wherein the recess portion includes wedge-shaped surface, and the wedge-shaped surface, which is formed, is arranged on the wedge-shaped surface and the inner ring
Wedge shape space between peripheral surface, the wedge shape space is towards the other side in the circumferential direction in radial direction
On narrow, and
Wherein the column end has wedge shape, in the wedge shape, institute of the radial dimension direction in the circumferential direction
Other side reduction is stated, and the column end includes radial outside surface and radially inner side surface, the radial outside surface connects
The wedge-shaped surface is touched, the radially inner side surface contacts the peripheral surface of the inner ring.
7. a kind of connector for power generator, the power generator include:
The main shaft rotated by external impetus；
Speed increaser, the speed increaser include rotary transfer machine and output shaft, and the rotary transfer machine increases the main shaft
Rotation speed, the output shaft export the rotation increased speed by the rotary transfer machine；With
Generator, the generator include input shaft, and the input shaft is rotated by receiving the rotation of the output shaft, and
Rotation by the rotor integrally rotated with the input shaft, the generator generate electric power,
Wherein include: for the connector of the power generator
The output shaft of first rotary part, first rotary part and the speed increaser integrally rotates；
The input shaft of second rotary part, second rotary part and the generator integrally rotates；With
Be arranged between first rotary part and second rotary part it is according to claim 6 unidirectionally from
Clutch.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013267275A JP6273832B2 (en) | 2013-12-25 | 2013-12-25 | Split type cage, one-way clutch and joint for power generator |
| JP2013-267275 | 2013-12-25 | ||
| PCT/JP2014/084070 WO2015098925A1 (en) | 2013-12-25 | 2014-12-24 | Divided holder, one-way clutch, and joint for power-generating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105849430A CN105849430A (en) | 2016-08-10 |
| CN105849430B true CN105849430B (en) | 2019-01-15 |
Family
ID=53478777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480070561.7A Expired - Fee Related CN105849430B (en) | 2013-12-25 | 2014-12-24 | Splittable retainer, one-way clutch and the connector for power generator |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9845835B2 (en) |
| EP (1) | EP3101298B1 (en) |
| JP (1) | JP6273832B2 (en) |
| CN (1) | CN105849430B (en) |
| DK (1) | DK3101298T3 (en) |
| ES (1) | ES2751409T3 (en) |
| WO (1) | WO2015098925A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101873277B1 (en) * | 2017-01-12 | 2018-08-02 | (주)리얼감 | Clutch unit |
| CN118149025B (en) * | 2024-05-10 | 2024-08-06 | 宁波东煌轴承有限公司 | One-way bearing |
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| US3877555A (en) * | 1973-06-22 | 1975-04-15 | Ferodo Sa | Assembly cage for free-wheel or bearing |
| US4787490A (en) * | 1987-06-15 | 1988-11-29 | General Motors Corporation | Metal and plastic combination roller clutch cage |
| CN202182109U (en) * | 2011-08-10 | 2012-04-04 | 浙江五洲新春集团有限公司 | Unilateral bearing and retainer |
| CN103375508A (en) * | 2012-04-27 | 2013-10-30 | 株式会社捷太格特 | One-way clutch and power generating apparatus |
| CN103423340A (en) * | 2012-05-14 | 2013-12-04 | 谢夫勒科技股份两合公司 | Freewheel cage |
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| FR1287491A (en) * | 1961-01-31 | 1962-03-16 | Renault | Roller freewheel |
| US4613763A (en) | 1984-12-24 | 1986-09-23 | Swansen Theodore L | Wind driven electric power generating system |
| JPH04344198A (en) | 1991-05-20 | 1992-11-30 | Mitsubishi Heavy Ind Ltd | Synchronous generator |
| JP3604489B2 (en) | 1996-02-22 | 2004-12-22 | 光洋精工株式会社 | Bearing device and auxiliary device driving pulley device including the same |
| FR2747444B1 (en) | 1996-04-16 | 1998-05-15 | Skf France | FREE WHEEL ASSEMBLY |
| KR100269764B1 (en) | 1996-11-30 | 2000-10-16 | 심현진 | Generating device of electronic power using wind force |
| JP2001349335A (en) | 2000-06-07 | 2001-12-21 | Daido Seimitsu Kogyo Kk | Flexible joint |
| AU2003203254A1 (en) | 2002-01-21 | 2003-09-02 | Nsk Ltd. | Engine start roller clutch-housed type rotation transmission device |
| US6856042B1 (en) | 2003-10-09 | 2005-02-15 | Hisaomi Kubota | Wind turbine generator |
| JP2006097713A (en) | 2004-09-28 | 2006-04-13 | Jtekt Corp | One-way clutch |
| JP2006183755A (en) | 2004-12-27 | 2006-07-13 | Jtekt Corp | Power transmission |
| JP4738027B2 (en) | 2005-03-10 | 2011-08-03 | 三菱重工業株式会社 | Wind power generator shaft coupling structure |
| FR2913081B1 (en) | 2007-02-27 | 2009-05-15 | Skf Ab | DEBRAYABLE PULLEY DEVICE |
| US7851933B2 (en) | 2007-03-15 | 2010-12-14 | Duffey Christopher K | System for generating constant speed output from variable speed input |
| US9097239B2 (en) | 2010-08-18 | 2015-08-04 | Ebo Group, Inc. | Wind turbine torque limiting clutch system |
| US8932017B2 (en) | 2010-08-18 | 2015-01-13 | Ebo Group, Inc. | Wind turbine torque limiting clutch system |
| JP5857561B2 (en) | 2011-09-12 | 2016-02-10 | 株式会社ジェイテクト | Power generator |
| US9035476B2 (en) | 2011-09-12 | 2015-05-19 | Jtekt Corporation | Power generating device |
-
2013
- 2013-12-25 JP JP2013267275A patent/JP6273832B2/en not_active Expired - Fee Related
-
2014
- 2014-12-24 WO PCT/JP2014/084070 patent/WO2015098925A1/en active Application Filing
- 2014-12-24 ES ES14874291T patent/ES2751409T3/en active Active
- 2014-12-24 DK DK14874291T patent/DK3101298T3/en active
- 2014-12-24 US US15/106,868 patent/US9845835B2/en not_active Expired - Fee Related
- 2014-12-24 EP EP14874291.9A patent/EP3101298B1/en not_active Not-in-force
- 2014-12-24 CN CN201480070561.7A patent/CN105849430B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3877555A (en) * | 1973-06-22 | 1975-04-15 | Ferodo Sa | Assembly cage for free-wheel or bearing |
| US4787490A (en) * | 1987-06-15 | 1988-11-29 | General Motors Corporation | Metal and plastic combination roller clutch cage |
| CN202182109U (en) * | 2011-08-10 | 2012-04-04 | 浙江五洲新春集团有限公司 | Unilateral bearing and retainer |
| CN103375508A (en) * | 2012-04-27 | 2013-10-30 | 株式会社捷太格特 | One-way clutch and power generating apparatus |
| CN103423340A (en) * | 2012-05-14 | 2013-12-04 | 谢夫勒科技股份两合公司 | Freewheel cage |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2751409T3 (en) | 2020-03-31 |
| EP3101298A4 (en) | 2017-08-16 |
| US9845835B2 (en) | 2017-12-19 |
| WO2015098925A1 (en) | 2015-07-02 |
| JP6273832B2 (en) | 2018-02-07 |
| DK3101298T3 (en) | 2019-11-11 |
| EP3101298A1 (en) | 2016-12-07 |
| CN105849430A (en) | 2016-08-10 |
| JP2015124778A (en) | 2015-07-06 |
| EP3101298B1 (en) | 2019-08-14 |
| US20170037913A1 (en) | 2017-02-09 |
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